Payment link sent to Friend and it declined his payment

Hi all

New to Revolut this week and love it. First issue though…I sent a payment request to a friend and he filled in his details and Barclays debit card info. I got a notification saying payment declined by Barclays and he got loads of texts from barclays about fraud. Is this common? My other mate who owed me paid fine using HSBC.

Thanks

Charlie